1is the ans is d
(2√3+4)sinx+4cosx lies in the interval???
(a)(-4,4)
(b)(-2√5,2√5)
(c)(-2+√5,2+√5)
(d)(-2(2+√5),2(2+√5))
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3 Answers
11the basic process of finding the answer to the question
Q what is the max value of
a Sinx + b Cos x is √a2+b2 and the min value is -√a2+b2
so by this method we get the maximum value as
=√12 + 16 + 16√3 +16
=√44+16√3
=2√11+4√3 is the maximum value
and the minimum value is -2√11+4√3