how would I integrate this??? 1/sqrt(t + 4) can I use u substitution When i tried this I got the answer of -2/3(t + 4)^(-3/2) + C Is this right, or do I need to use a different method???
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Originally Posted by mandy123 how would I integrate this??? 1/sqrt(t + 4) can I use u substitution When i tried this I got the answer of -2/3(t + 4)^(-3/2) + C Is this right, or do I need to use a different method??? The substitution is right! You need to add to the power, not substract.
ok, so would the answer would be 2(t + 4)^1/2 + C
Originally Posted by mandy123 ok, so would the answer would be 2(t + 4)^1/2 + C Looks good to me! You can differentiate and see if you get the integrand back.
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