UPSC NDA II 2013 Mathematics Paper

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Question : 69 of 120

Marks: +1, -0

y=2‌cos‌x+3‌sin‌x satisfies which of the following differential equations?
1. ‌

d2y

dx2

+y=0
2. (‌

dy

dx

)2+‌

dy

dx

=0
Select the correct answer using the code given below.

1 only
2 only
Both 1 and 2
Neither 1 nor 2

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