Question

Solue by using identity
153²-147²​

Answer 1

Step-by-step explanation:

a²-b²=(a+b)×(a-b)

=> 153²-147²=(153+147)×(153-147)

=300×6=1800

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Answer 2

Answer:

1800

Step-by-step explanation:

Given : 153² - 147²

We can write this as :

→ (150 + 3)² - (150 - 3)²

• { Identity : (a + b)² - (a - b)² = 4ab

Here, a = 150, b = 3 }

→ 4(150)(3)

→ 1800

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Or

________________________

Given : 153² - 147²

We can write this as :

→ (153)² - (147)²

• { Identity : a² - b² = (a + b)(a - b)

Here, a = 153, b = 147 }

→ (153 + 147)(153 - 147)

→ (300)(6)

→ 1800