Question

please give ans with full explanation​

Answer 1

Answer:

The answer is 100.

Step-by-step explanation:

155 × 155 × 155 − 55 × 55 × 55 ÷ 155 × 155 + 155 × 55 + 55 × 55

It can also be written as :

(155)³ − (55)³ (155)²+ 155 × 55 + (55)²

We know that a³− b³ = (a − b) (a² + ab + b²) then

Denominator is cancelled out and answer become.  

⇒ (155 − 55) = 100

∴ The answer is 100.

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Answer 2

Answer:

Answer is 100

plz have a look at this attachment