Q.1) Expand the following identities:-
1) (x + 3y) (x+ 4y)
2) (6 + 1/a) ( 6 + 2/a)
3) (3a + 2b)
4) ( 5x + 72)3
5) (63) 3
6) (102)
7) (m + 2n)
8) ( 2a +9)3
9) ( a-1) ( 2-4)
10) ( 2x -4y)
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Answer:
1. x^2+12y
2.15a
3.6ab
4.ab bas itna he bataunga
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