Update ANS: CLASS 9 ICSE SELINA MATH EX 7B QUESTION 10 If m ≠ n and (m + n)-1 (m-1 + n-1) = mxny, show that: x + y + 2 = 0

22 Apr 2020

CLASS 9 ICSE SELINA MATH EX 7B QUESTION 10 If m ≠ n and (m + n)-1 (m-1 + n-1) = mxny, show that: x + y + 2 = 0

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