হলে, কত ?
Created: 5 years ago |
Updated: 2 months ago
best des
দেয়া আছে, m - 1/m = 2
সুতরাং , m4 + 1/m4 = (m2 )2 + (1/m2 )2
= (m2 + 1/m2)2 - 2.m2.1/ m2
= {(m - 1/m)2 + 2.m.1/m}2 - 2
= (22 + 2)2 - 2
= 62 - 2
= 34
Md Azizur Rahman
Founder of Satt
দেয়া আছে, m - 1/m = 2
সুতরাং , m4 + 1/m4 = (m2 )2 + (1/m2 )2
= (m2 + 1/m2)2 - 2.m2.1/ m2
= {(m - 1/m)2 + 2.m.1/m}2 - 2
= {(2)2 + 2}2 - 2
= [6]2 - 2
= 36-2
=34
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