m - n = x এবং mn = 6x2 হলে m3 - n3 কত?
Solution
Correct Answer: Option B
দেয়া আছে
m - n= x
mn = 6x2
m3 - n3 = (m - n)3 + 3mn(m - n)
= x3 + 3. 6x2 .x
= x3 + 18x3
= 19x3
m - n= x
mn = 6x2
m3 - n3 = (m - n)3 + 3mn(m - n)
= x3 + 3. 6x2 .x
= x3 + 18x3
= 19x3
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