📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    âš¡ Azaadi sale - Celebrate Independence Day with Flat 55% Off On all courses! 13 to 17 Aug âš¡ Enroll Now

    Question

    If (a + b + c) = 9, find (a – 4)3 + (b

    – 2)3 + ( c – 3)3 - 3(a – 4 ) (b – 2 ) (c – 3)?
    A 6 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    D 2 Correct Answer Incorrect Answer

    Solution

    a + b + c = 9 a + b + c = 4 + 2 + 3 (a – 4 ) + (b – 2) + (c – 3) = 0 If x + y + z = 0 x2 + y2 + z2 = 3xyz (a – 4)3 + (b – 2)3 + ( c – 3)3 = 3(a – 4 ) (b – 2 ) (c – 3) (a – 4)3 + (b – 2)3 + ( c – 3)3 - 3(a – 4 ) (b – 2 ) (c – 3) = 0

    Practice Next

    Relevant for Exams:

    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call