1.

If given function are continuous then find the valuax +b, if -1<x<0cos x if X20,

Answer»

for the function to be continuous, value of function at x = -1 should be same around it's nearby

so, a(-1)²+b = 4 => b+a = 4

also, value at 0 should also be same

so, a(0)²+b = cos0 => b = 1

so, a = 4-b = 4-1 = 3



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