1.

Assertion (A ) : The maximum value of2 cos^(2)theta + sqrt(5) cos theta sin theta +4 sin^(2) thetais (9)/(2)Reason (R ) : Themaximumvalueofacos^(2)theta +b cos theta sin theta+c sin^(2)thetais(1)/(2) [ (a+c)+ sqrt((a-c)^(2) + b^(2))]

Answer»

A is TRUER istrueand R is CORRECTEXPLANATION of A
A is trueR istrueand RIS not correctexplanatinof A
A istrueR isfalse
A isfalseR istrue .

ANSWER :1


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