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  • Maths Online Test Class 8
  • The value of (8.6)2-(1.4)2 is
Multiple choice

The value of (8.6)2-(1.4)2 is

  1. 72

  2. 100

  3. 144

  4. 121

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Using the difference of squares formula, a^2 - b^2 = (a - b)(a + b). Here, (8.6 - 1.4)(8.6 + 1.4) = (7.2)(10) = 72.

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