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HIMANSHU KUMAR

· started a discussion

· 1 Months ago

maths (Question:134295.0)

maths

Question:
If x2+y2+ 2x+ 1 = 0, then the value of x35+y35 is:
Options:
A) -1 
B) 0
C) 1 
D) 2
Solution:

x2+y2+ 2x+ 1 = 0

⇒ x2+2x+ 1 + y2 = 0

⇒ (x+1)2 + y2 = 0

⇒ x+ 1=0 ⇒ x = - 1 and y = 0

∴ x31 + y35 = -1

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