1.

If △=∣∣∣∣∣exsinx1cosxln(1+x2)1xx21∣∣∣∣∣=a+bx+cx2 then the value of b is

Answer»

If △=∣∣
∣
∣
∣
exsinx1cosxln(1+x2)1xx21∣∣
∣
∣
∣
=a+bx+cx2
then the value of b is




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