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subhanga from dps numaligarh, golaghat

Subject :IMO Class : Class 8

One of the factors of a² - 2ab - c² + b² is ________.

A(a - b + c)
B(a + b + c)
C(a + b - c)
DNone of these

Ans 1:

Aditya kumar from Sapphire International School, Noida

Hi friend, the answer for this is a^2 - 2ab - c^2 + b^2 = [a^2 - 2ab + b^2] - c^2 = (a-b)^2 - c^2 = (a-b+c)(a-b-c) As per options, answer is (a-b+c)

VIDHAN KUMAR PRAJAPAT from MAGADH INTERNATIONAL SCHOOL, TEKARI (GAYA), GAYA

A. (a-b+c) (a-b+c)(a-b-c)

SuryaKiran M.S from , Abudhabi

(a-b+c)