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Siddharth Yadav

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· 1 Months ago

Good work Toprankers....admire ur testseries questions level....

Question:

If (x – 2a)(x – 4a)(x – 6a)(x – 8a) + ka4 is perfect square, then find the value of k?

Options:
A)

32

B)

16

C)

8

D)

10

Solution:

Ans:(b) 

  

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