If x + y + z = 25 , x3 + y3 + z3 = 85 an

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If x + y + z = 25 , x³+ y³+ z³= 85 and xyz = 20 , then find the value of x²+ y²+ z²− xy − yz − zx

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[SSC CHSL 1st June 2022 Shift-3 With Answers]

A

2

B

1

C

4

D

3

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