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समीकरण sqrt(2)(2cos2x-1)+sqrt(3-4cos2x+c...

समीकरण `sqrt(2)(2cos2x-1)+sqrt(3-4cos2x+cos4x)=sqrt(2)` के अन्तराल `(0,5pi)` में हल/हलों की संख्या है/है :(i) 2 (ii) 6 (iii) 4 (iv) 5

A

2

B

6

C

4

D

5

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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