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What is the right choice for question 21) ? http://postimg.org/image/3k6pf0hyl/

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What is the right choice for question 21) ?

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Posted (Answer #1)

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When f(x) divided by x+2 ,remainder will f(-2)=3 (given)

When

F(x)=2f(x)-7 wil divided by x+2 ,remainder will be F(-2).

F(-2)=2f(-2)-7

=2x3-7

=6-7

=1

Thus correct answer is C

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