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what is formula of a

^{3}+b^{3 }what is the formula of a

^{2}+b^{2}^{2}-- 49^{2}a

^{2}(b^{2}-c^{2})+ b^{2}(c^{2}-a^{2}) + c^{2}(a^{2}-b^{2)}^{2}=a^{2}+2ab+b^{2 by paper cutting and pasting i did not understand how to do this can u please explain me with the steps to do and the diagram which will come after doing these steps please fast tomorrow submission date. today itself please}if x+y=12 and xy=14 :find the value of xsquare +y square

A and B can finish a piece of work in 16 days and 12 days respectively.A started the work and worked at it for 2 days. He was then joined by B.Find the total time taken to finish the work.

FACTORISE

1. 2axy

^{2}+10x +3ay^{2}-15What is polynomial ? please illustrate by one example showing division of non negative inters exponent division which does not form polynomials for clearing the concept

If a+b=7 and ab=10 then find a2 +b2

If square root of x/y + square root of y/x = 10/3, then find xy

(a) (65^2)-(20^2)/85

Solve for t:

(3t-2)/4-(2t+3)/3=(2)/3-t

${\left(4xy+3y\right)}^{2}-{\left(4xy-3y\right)}^{2}=48x$

What is POLYNOMIAL?

If (x+1/x)=12,then find the value of (x-1/x) .

i) How much distance will Shikha cover in 5 rounds?

ii) How much distance will Neetu cover in 1 round?

iii) Find the area of each park.

can u give me the fa -4 model test papers of class 8th cbse L-9 algabraic expressions and identities urgently ...

Add the sum of 3m

^{2}n+4mn-n^{2}and 6n^{2}-mn to 11m^{2}n-7n^{2}+12mn2/3 of a no. is 20 less than the original number find the number

If x+1/x=8,find the value of x

^{2}+1/x^{2}If ( x + 1/x = 6 ), find the value of ( x

^{4}+ 1/x^{4}).^{0 }, when x=0Using

, evaluateIdentities1.05 x 9.5(Excercise 9.5, Q.no-6,bit ix )I would prefer answers from experts!!^{2}+ 2y^{2}+ x^{2}y^{2}+8^{2}+ 4y^{2}+ 20xylet f(x) = x

^{2}^{}+ bx + c where b , c are integers . if f(x) is a factor of both x^{4}+ 6x^{2}+25 and 3x^{4}+ 4x^{2}+ 28x + 5 , then the value of f(1) is :(a) 1

(b) 2

(c) 3

(d) none of these

publisher: good luck publishers

writter: mrs. neeti kanungo

pg. no.: 127, ex.: 6(g).

que. no.: 3. 5,7,11,12

que. no.: 4, 2,7,10,17

please give answer me fast.

oplease answer give in only two days...

please

i am requested you....

please

your sincearly,

malpure hemant

If x-y = 7 and xy = 9, Find the value of (x^2+y^2). Explain it.

If x = 5 + 2 * root 6 , then (x - 1) / root x =

Find the continued product of (x+1)(x-1)(x

^{2}+1).12.395*395-205*205/600

13.(x

^{2}+y^{2}) if xy=15 x-y=614.(X

^{2}+Y^{2}) if x+y=10 xy=1515.(x

^{2}+y^{2}) if xy=10 and (x+y)=6A DEALER MARKS HIS GOODS AT 40% ABOVE THE COST PRICE AND ALLOWS A DISCOUNT OF 25% ,WHAT IS HIS GAIN PERCENT ?

DEAR EXPERTS , PLS.... ANSWER FAST !!!!!@@@###

a+b+b+b+80+90=100

then find the vlaue of a and b

^{2}-16p - 80 2. The sum of two expressions is 3x2 + 2xy – y2. If one of them is 2x2 + 3y2, find the other.

3. Subtract 2a2b – 3b2 from 3a2 – 5ab2 + 2b2 and subtract your result from the sum of the two expressions 3ab2 + 5b2 – 2a2b and a2b + 5a2 – 3ab2.

4. In the year 1999, the average cost of a car could be modeled by the equation C = -8t2 + 9500 where t is the number of years since 1999. By the year 2008 the average cost had changed, so it could be modeled by the equation C = -15t2 + 10000.Find the difference in the average costs for a car between 2008 and 1999

5. If the length of a rectangle in terms of x is 7x2 + 5x – 6, and its width is 6x2 + 4x + 2, what is the perimeter of this rectangle?

6. How much should a + 2b – 3c be increased to get 3a?

please write all try these chapter 9

9x^2 + 42x + 49-y^4

FACTORISE : 4a

^{2}+12ab + 9b^{2}- 8a-12bA) (2a-3b)(2a-3b-4)

B) (2a+3b)(2a+3b-4)

C) (2a-3b)(2a+3b-2)

D) (2a+3b)(3a+2b-4)

what should be added to 6x^5+4x^4-27x^3-7x^2-27x-6 so that the resulting polynomial is exactly divisible by 2x^2-3.

What is the coefficient of y in 3xy

who invented the formule (a-b)

^{2}= a^{2 }- 2ab + b^{2}?^{2}+y^{2}=58,then find the value of x^{3}+y^{3}.If 2a+3b=5 and ab=3 then find 8a

^{3}-27b^{3}X

^{2}+1/X^{2}=83,find thevalue of X^{3}-1/X^{3}=?this is mental ability question,answer with explanation

find the different one

1.10,28

2.26,127

3.50,343

4.82,730

divide using factorization method

(y3-6y2+11y-6) by (y-3)

(3a4+17a3+9a2-7a-10) by (a+5)

(3p3+p2-20p+12) by 3p -2

x3-6x2+11x-6 by x2-3x+2

[a+b] [c-d] + [a-b] [c+d] +2[ac+bd]{find the product & simplify}

If x = 8ab/a+b, then find the value of x+4a/x-4a+ x+4b/x-4b is.

A field is 120 m long and 70 m broad. In one corner of field a pit which is 20 m long , 20 m broad & 8 m deep has been dug out. The earth taken out of it is evenly spread over the remaining part of the field. Find the rise in the label of the field.

The vol. of a cylinder is 5544 cm

^{3 }and its height is 16cm.Fits radius and curved surface area.(6x-7y)simplify^{2 }what is an expression?

(a+ 1)(2a-1)-(3a-1)(a+3)

If a-1/a=5,find the value of a

^{2}+1/a^{2}evaluate 153

^{2--}147^{2}If x

^{2}+ kx + 6 = (x + 2)(x + 3) for all x, the value of k is?^{2}+1/x^{2}=14, then find the value of x+1/x.^{3}-7x-6 is divided by x^{2}+4x+9.CONSTRUCT QUADRILATERAL

rhombus bend

BN = 5.6cm

DE = 6.5cm

Factorise:-

1-16x

^{2}+64x^{4}Find the value of 197 * 197 - 103 * 103/94

find the area of a regular hexagon inscribed in a circle of radius 6 cm

^{2}+2-3x is a factor of 2-3x^{2}+x-x^{3}+x^{4}.a raindrop of mass 0.1 g is falling with uniform speed of 10 cm/s.what is the net force on the drop?

^{2}+12xy+27y^{2 }and its length is x+9y .Find the breadth of the rectangle.IF x+y=9 and xy=16,find the value of(x

^{2+y2)}^{9}-b^{9 }is divided by a^{2}+ab+b^{2}If p+1/p=12,find the value of p-1/p

A man left one-third of his property to his daughter, one-fourth to his son, and the remaining Rs. 20000 to his wife. How much money did the man leave?

Please answer fast!!! Tomorrow exam!!!

If x+y=4 and xy =2 find the value of x square +y square???????????

^{3}, -4x^{2}, 32xSubtract : 3a ( a + b + c ) - 2b (a - b + c ) from 4c ( -a + b + c)

Please explain the various steps.

Simplify :

(5x-7) (2x+3) (7x-8)

If 3a = 4b= 6c and a + b + c = 27 under root 29, then what will be square root of a

^{2}+b^{2}+c^{2}equal to?Please answer it soon

x+y)(2x+y)+(x+2y)(x-y)