Question

1. formula of (a+b)ka whole cube.
2. formula of 1/cosec.​

Answer 1

Step-by-step explanation:

(a+b) ka whole cube =a ^3+b^3+ 3 a^2b+3ab^2

Answer 2

Answer:

1.(a+b)^3=a^3+b^3+3×a^2×b+3×a×b^2

2.sin