Question

.
15 ) Which is equal to (a+b)2-(a-b)2? | (a+b)2-(a-b)2
बराबर कौन सा है?
D
A) 2ab
B ) 3ab
C) 4ab
O
D) 5ab​

Answer 1

Answer:

b)2 = a2 + 2ab + b2. (a + b)3 = a3 + 3a2b + 3ab2 + b3. (a + b)4 = a4 + 4a3b + 6a2b2 + 4ab3 + b4 ... (a + b)(a2 - ab + b2). a4 + b4 = (a2 + √2ab + b2)(a2 - √2ab + b2).

Answer 2

Answer:

b 3ab

Step-by-step explanation:

deygsuydchuigrtu