(x+y)^2-(x-y)^2= কত?
Correct answer(s):
- 4xy
Subject
গাণিতিক সমস্যা
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Quizzes in গাণিতিক সমস্যা
ac=bc এবং b=0 হলে, a=কত?
Correct answer(s):
a+b=m, a^2+b^2=n এবং a^3+b^3=p^3 হয়, তবে m^3+2p^3-এর মান কত?
Correct answer(s):
- 3mn
a+b=5 এবং ab=6 হলে, a^3+b^3= কত?
Correct answer(s):
- 35
a=b=c হলে, a^3+b^3+3abc= কত?
Correct answer(s):
- c^3
x-y=3 হলে, x^3-y^3-9xy= কত?
Correct answer(s):
- 27
a-(1/a)=4 হলে, a^3-(1/a^3)= কত?
Correct answer(s):
- 76
a-(1/a)=3 হলে, a^3-(1/a^3)= কত?
Correct answer(s):
- 36
x+(1/x)=√3 হলে, x^3+(1/x^3)= কত?
Correct answer(s):
p-(1/p)=3 হলে, p^3+(1/p^3)= কত?
Correct answer(s):
- 36
x+y=5 এবং xy=6 হলে, x^3+y^3= কত?
Correct answer(s):
- 35
x-(1/x)=3 হলে, x^3-(1/x^3)এর মান কত?
Correct answer(s):
- 76
a^3+b^3= কত?
Correct answer(s):
- (a+b)^3-3ab(a+b)
x+(1/x)=3 হলে, x^3+(1/x^3)= কত?
Correct answer(s):
- 18
a+(1/a)=4 হলে, a^3+(1/a^3) এর মান কত?
Correct answer(s):
- 52
a-(1/a)=2 হলে, a^3-(1/a^3) এর মান কত?
Correct answer(s):
- 14
a+b+c=0 হলে, a^3+b^3+c^3 এর মান কত?
Correct answer(s):
- 3abc
a-b=3 হলে, a^3-b^3-9ab= কত?
Correct answer(s):
- 27
a-b=4 এবং ab=3 হলে, a^3-b^3= কত?
Correct answer(s):
- 100
a+(1/a)=4 হলে, a^3+(1/a^3)= কত?
Correct answer(s):
- 52