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Algebra Quiz : 02.09.2019

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Question 1

If
3x+4y−2z+9 = 17
7x+2y+11z+8 = 23
5x+9y+6z−4 = 18

Then, find the value of (x+y+z−34). 

Question 2

If l + m + n = 9 and l2+m2+n2 = 31; then the value of lm+mn+nl will be

Question 3

Question 4

If , then find the value of (a + b + c)3.

Question 5

If , find the value of .

Question 6

If x = (√5 – 1)-1/5, then find the value of

Question 7

If 4x + 7y = 2 and 64x3 + 343y3 = 1352, then what is the value of (x × y)?

Question 8

If x + y + z = 17 and xy + yz + xz = 31, what is the value of ?

Question 9

if a + b + c=0 then the value of
is

Question 10

If then x equals to
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