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Subject: Maths, asked on 9/3/18

(2x+5)^2-(2x-5)^2

Subject: Maths, asked on 6/3/18

Solve this:
Q.14. If x + y = 12 and xy = 14, then the value of x2+y2=
a) 116
b) 98
c) 204
d) 50

Subject: Maths, asked on 6/3/18

Find the value of 2x-1, when x+6=2

Subject: Maths, asked on 4/3/18

if x2+2x+3 is divided by x+ then the remainder is-----

Subject: Maths, asked on 3/3/18

(xyz - 4) (xyz - 2)

Subject: Maths, asked on 2/3/18

Are supposed to add the power or multiply the power? 


ii    a, -a2, a3     Required product          = (a) × -a2 × a3          = -a ×a2×a3          = -a6

Subject: Maths, asked on 1/3/18

Subtract 3x (-x+ y +z) from the sum of 2z (x +y+ z) and -4y (x- y+ z)

Subject: Maths, asked on 1/3/18

add 8xy+6yz-9xz,4yz+9zx-4y and 2yz-xy+10xz

Subject: Maths, asked on 1/3/18

Find the volume of a rectangular box with length 2/9 x2​, breadth 3/16 y5z2 and height 4xyz.

Subject: Maths, asked on 1/3/18

The dimensions of a rectangular plot are (7p+4q) and (3q-8p) units respectively. Find the area of the plot when p =2 and q= -1

Subject: Maths, asked on 28/2/18

Simplify and find the value for X =1

X(X-5) +3

Also for

(X+3) (X -2)+5

Subject: Maths, asked on 28/2/18

Factorize by splitting the middle term 3x power2 -10x +8

Subject: Maths, asked on 25/2/18

Solve this :

2. Show that (a + b)2 - (a - b)2 = 4 ab and using this identity find the value of (75)2 - (25)2.
3. Use the identity (a + b)2 = a2 + 2 ab + b2 to evaluate (41)2 + (40)2.
 

Subject: Maths, asked on 24/2/18

-7p+2q-3r+5 from 2p-3q-7r-11

Subject: Maths, asked on 19/2/18

No.7 viii

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