(b-5a)² evaluate this term
Answers
Answered by
1
Step-by-step explanation:
(a-b)²= a²-2ab+b²
as per above formula,
(b-5a)²=b²-2(b)(5a)+(5a)²
=b²-10ab+25a²
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Answered by
1
Step-by-step explanation:
Given that
❤️( b - 5a ) ²
❤️use identity
❤️ ( a - b ) ² = a² + 2.a.b - b²
❤️Here
a = b
b = 5a
❤️b² - 2 . b . 5a + ( 5a )²
❤️b² - 10ab + 25a
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