Question

Evaluate using identities (91)^3​

Answer 1

Answer:

Take a=90 and b=1

Step-by-step explanation:

we know that

(a+b)³=a³+b³+3ab(a+b)now solve it

Answer 2

Answer:

182

Step-by-step explanation:

91 × 2 = (1+90)(1+1)

=1 square +(90+1) + 90×1

1+1×91+1

2×91

=182