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Maths CBSE Live product
Class 9 (2026-27)
Exploring Algebraic Identities
Splitting the middle term
6.
Find the numbers
Question:
4
m.
The product of two numbers is
66
and their difference is
5
. Find the sum of the squares of that numbers.
Ans
:
Identity used:
a² - b² = (a - b)(a + b)
a² + b² = (a - b)(a + b)
(a - b)² = a² - 2ab + b²
(a + b)² = a² + 2ab + b²
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