Math, asked by Irra, 1 year ago

Please solves these four questions...Answers are given but i dont know procedure??

Attachments:

Irra: you too
Irra: do u know how to solve them
Irra: then help me na
Irra: bro??
Irra: I m girl
Irra: Where did you solve them

Answers

Answered by Anonymous
1
in 31 use identity to solve ...otherwise simplify terms and put value...
Attachments:

Irra: oh
Irra: i m preparing from 2010
Irra: i belong obc
Irra: i gave in 2010 then 2014 2015
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