question 28
basic entries in tally
Without expanding show that[1/a 1 BC,1/b 1 ca,1/c 1 ab]=0
integrals miscellaneous exercise
evaluate the following:
lim (sin^-1x - tan^-1x)/x^3
x->0
Hence the answer is
9x^² 25y^² 25z^² -225=0
Maths class 11 and 12
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