Question

what is the value of (151²-150²).
plz answer fast it's urgent!!!​

Answer 1

Answer:

(151)2-(150)2

(151+150) (151-150)

251x1=251

Answer 2

Question:

What is the value of (151²-150²)?

Solution:

We know the formula,

a² - b² = (a + b)(a - b)

Let's apply on this (151²-150²)

151²-150²

(151 + 150)(151 - 150)

(301)(1)

301

The value of (151²-150²) is 301.

If you solve these questions with normal power multiplication, subtraction and addition it will take a lot of time or can require calculator too.

We used this identity to get the value fast. So, use identities whenever you can to avoid heavy calculations.