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vikash sangwan

· started a discussion

· 1 Months ago

solution (Question: 197425.0 )

koi kam dhang ka ni h tum logo ka.....solution de do yrrr

Question:
(a + b – 2c)3 + (b + c – 2a)2 + (c + a – 2b)3 is equal to –
Options:
A)

(a + b – 2c)(b + c – 2a)(c + a – 2b)

B) 2(a + b – 2c)(b + c – 2a)(c + a – 2b)
C) 3(a + b – 2c)(b + c – 2a)(c + a – 2b)
D) 3(a + b + 2c)(b + c + 2a)(c + a + 2b)
Solution:
Ans: (c)

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

Please apply formula:

(a+b+c)^3=a^3+b^3+c^3+(a+b+c)(ab+ac+bc)

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