Get live Maths 1-on-1 Classs - Class 6 to 12
Last updated at March 23, 2023 by Teachoo
Example 5 (Chapter 6 Class 8 Square and Square Roots NCERT Book) Is 90 a perfect square? Doing prime factorization of 90 90 = 2 × 3 × 3 × 5 Since 2 & 5 do not occur in pairs Thus, we cannot calculate square root of 90 ∴ 90 is not a perfect square.