2 Answers
a= 31/3+21/3
a= 1.44+1.26 [আসন্ন মান]
a= 2.7
অতএব,
1/a= 1/2.7
a+1/a = 2.7+1/2.7 = (7.29+1)/2.7 =3.07
এখন, a3+1/a3
= (a+1/a)3 - 3*a*1/a(a+1/a)
= (3.07)3 - 3*3.07
= 28.93 - 9.21
= 19.72
a= 1.44+1.26 [আসন্ন মান]
a= 2.7
অতএব,
1/a= 1/2.7
a+1/a = 2.7+1/2.7 = (7.29+1)/2.7 =3.07
এখন, a3+1/a3
= (a+1/a)3 - 3*a*1/a(a+1/a)
= (3.07)3 - 3*3.07
= 28.93 - 9.21
= 19.72
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Answered
a=3^1/3+2^1/3 a^3=(³√3+³√ 2)³=(√3)³+(³√ 2)³+3×(³√3)²×³√2+3׳√3×(³√2)²=3+2+7.9+6.9=19.8____ _ _ _ _ _ _ _ a³+1/a³ =19.8³+1/19.8³ =7762.392+1/7762.392 =60254729.5+1÷7762.392 =7762.393
2939 views
Answered