Factorise the following. class 8th
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Solution :-
a) 9a² + 6ab + b²
→ (3a)² + 2 * 3a * b + (b)²
using (a)² + 2ab + (b)² = (a + b)²
→ (3a + b)²
b) y² - 12y + 36
→ y² - 6y - 6y + 36
→ y(y - 6) - 6(y - 6)
→ (y - 6)(y - 6)
→ (y - 6)²
c) 49a² - 64b²
→ (7a)² - (8b)²
using (a)² - (b)² = (a + b)(a - b)
→ (7a + 8b)(7a - 8b)
Learn more :-
JEE mains Question :-
https://brainly.in/question/22246812
. Find all the zeroes of the polynomial x4
– 5x3 + 2x2+10x-8, if two of its zeroes are 4 and 1.
https://brainly.in/question/39026698
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