Find the values of a for which the function f(x) = cos x - sin x + ax + b is decreasing
KOTAKONDADINESH , 10 Years ago
Grade 12
Integral Calculus> Find the values of a for which the functi...
1 Answers
Sher Mohammad
Last Activity: 10 Years ago
f'(x)=-sinx-cosx+a <0the minmum value of -sinx-cosx, occurs at pi/4 = -sqrt(2)=-1.41a-1.41<0a<1.41Sher MohammadB.Tech, IIT Delhi
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