फलन (f(x)=x-2+8x+15) के शून्यक कौन से हैं?
What are the zeros of (f(x)=x-2+8x+15)?
Explanation opens after your attempt
A. (x=-3) और (x=-5)(x=-3) and (x=-5)
Concept
(x-2+8x+15=(x+3)(x+5)). Therefore the zeros are (x=-3) and (x=-5).
Why this answer is correct
The correct answer is A. (x=-3) और (x=-5) / (x=-3) and (x=-5). (x-2+8x+15=(x+3)(x+5)). Therefore the zeros are (x=-3) and (x=-5).
Exam Tip
(x-2+8x+15=(x+3)(x+5))। इसलिए शून्यक (x=-3) और (x=-5) हैं।
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