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Subject: Maths, asked on 30/7/17


If x = 1+i, then find the value of x^3 + 7x^2 - x+16

Subject: Maths, asked on 7/7/17

Solve this:

Subject: Maths, asked on 7/7/17

Solve this:

Subject: Maths, asked on 7/7/17

If x^r occurs in the expansion of (x+1/x)^n ,find its coefficient.

Subject: Maths, asked on 28/3/17

Please answer question number 18 (iii) and please do not give any link.

Subject: Maths, asked on 26/3/17

Solve by Cramer's rule : 1/x + 1/y + 1/z = 1 , 2/x + 5/y + 3/z = 0 , 1/x + 2/y + 4/z = 3

​[ Answer : x = 1 , y = -1 , z = 1]

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Subject: Maths, asked on 26/3/17

Show that the following system of equations has infinite number of solutions : x + 2y + 3z = 1 , 3x + 4y + 5z = 2 , 5x + 6y + 3z = 3

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Subject: Maths, asked on 26/3/17

Solve by Cramer's rule : x + y + z = 3 , a2x + b2y + c2z = a2 + b2 + c2 , a3x + b3y + c3z = a3 + b3 + c3 [a, b, c are unequal and ab + bc + ca ≠ 0]

[Answer : x = y = z = 1 ]

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Subject: Maths, asked on 26/3/17

Solve by Cramer's rule : 5x + 3y = 65 , 2y - 5z = -25 , 3x + 4z = 57

[ Answer : x = 7 , y = 10 , z = 9]
 
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Subject: Maths, asked on 26/3/17

Solve by Cramer's rule : x + 2y - 3z = 0 , 3x + 3y - z = 5 , x - 2y + 2z = 1

[ Answer : x = y = z = 1 ]
 
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Subject: Maths, asked on 12/3/17

Plzz solve 13th part 2 and 14th

Subject: Maths, asked on 11/3/17

pls explain Q5 Q6 Q7 Q8

Subject: Maths, asked on 6/3/17

Find the coefficient of x^5 in the expansion of(x-1/x)^11

Subject: Maths, asked on 1/3/17

Solved by binomial theroem

Subject: Maths, asked on 27/2/17

Q.7

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