1.

sin ax . limx>0 px

Answer»

Lim. sin ax/bxx->0.

Multiply and divide a

Lim. (a)sin ax/bx(a)x->0.

Lim. (a)sin ax/ax(b)x->0.

Lim. (a/b)[sin ax/ax]x->0.

(a/b)(1)

=a/b

sin ax/ax × ax / bx =1 × ax/ bx= a/b



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