# calc a

posted by .

derivative of;
((1+x^2)^2)sin(2x)

• calc a -

use the product rule

• calc a -

i got (1+x^2)^2(2cos(2x)+sin(2x)(4x(1+x^2)

is that right?

• calc a -

yes, correct

you might want to consider factoring it a bit more
(I see 2(1+x^2) as a common factor)

• calc a -

thanks you so much. that really helped alot

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