Let |A_1|=3,|A_2|=5 and |A_1+A_2|=5. The value of (2 A_1+3 A_2) ·(3 A_1-2 A_2) is :- [JEE Main - ...

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Let |A_1|=3,|A_2|=5 and |A_1+A_2|=5. The value of (2 A_1+3 A_2) ·(3 A_1-2 A_2) is :-
[JEE Main - 2019 (April)]
(1) -112.5
(2) -106.5
(3) -118.5
(4) -99.5

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Very nice explanation ❤ thank you so much sir 😊

_Nishtha_