Please do only answer for 7 th question
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Please do only answer for 7 th question
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Answer:
factorise f(x)
..u will get 2 values for x ..then make each of them equal to zero
then there's yr answer
Answer:
6. f(x)=x²+x-2
f(1)=(1)²+(1)-2
=> 1+1-2
=> 0
f(-1)=(-1)²+(-1)-2
=> 1-1-2
=> -2
7. x²+2x-35
=> x²+7x-5x-35
=> x(x+7)-5(x+7)
=> (x-5)(x+7)
=> x=5 and x=-7
hope it helps you....☺️✌