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यदि (If) `y=sinsqrt(x^(2)+ax+1)` (find) `(dy)/(dx)` ज्ञात करें ।

Answer» `(dy)/(dx)=(d)/(dx)sinsqrt(x^(2)+ax+1)`
`=(d)/(dsqrt(x^(2)+ax+1))sinsqrt(x^(2)+ax+1)*(d)/(d(x^(2)+ax+1))sqrt(x^(2)+ax+1)*(d)/(dx)(x^(2)+ax+1)`
`=cossqrt(x^(2)+ax+1)*(1)/(2sqrt(x^(2)+ax+1))*(2x+a)`
`=((2x+a)cossqrt(x^(2)+ax+1))/(2sqrt(x^(2)+ax+1))`


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