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OpenStudy (anonymous):
how does -3/sqrt(4-x^2) == -3/(2 sqrt(1-x^2/4))
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jimthompson5910 (jim_thompson5910):
sqrt(4-x^2) sqrt(4(1-x^2/4)) sqrt(4)*sqrt(1-x^2/4) 2*sqrt(1-x^2/4)
jimthompson5910 (jim_thompson5910):
So this shows that -3/sqrt(4-x^2) turns into -3/(2*sqrt(1-x^2/4))
OpenStudy (anonymous):
ty
jimthompson5910 (jim_thompson5910):
yw
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