AP EAPCET 27 May 2025 Shift 1 Paper

Section: Mathematics

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Question : 64 of 160

Marks: +1, -0

If (a+√2b‌cos‌x)(a−√2b‌cos‌y)=a2−b2 where a>b>0, then at (‌

π

4

,‌

π

4

), ‌

dy

dx

=

[AP EAPCET 27 May 2025 S1]

‌‌
a+b
a−b
‌‌
a−b
a+b
‌‌
a−2b
a+2b
‌‌
2a+b
2a−b

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