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f(x)={{:(-2 sinx, -pi le x le -pi/2, "के...

`f(x)={{:(-2 sinx, -pi le x le -pi/2, "के लिए"),(a sin x +b, -pi/2 lt x lt pi/2, "के लिए"),(cos x, pi/2 le x le pi, "के लिए):}` यदि 'f' `[-pi, pi]` पर सत्ता है, तो a तथा b का मान ज्ञात कीजिए|

लिखित उत्तर

Verified by Experts

The correct Answer is:
`a=-1, b=1`
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