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Question

Evaluate the square root of the polynomial using factorisation method: x216x+64(a+b)10

A
x+8(a+b)5
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B
x+8(a+b)5
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C
x+8(a+b)2
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D
x8(a+b)5
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Solution

The correct option is D x8(a+b)5
x216x+64(a+b)10
Factor of x216x+64=(x+8)(x+8)
x216x+64(a+b)10=(x+8)2(a+b)10
=  (x+8(a+b)5)2
= x+8(a+b)5

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