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Math School
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Multimedia school Learning Units on mathematical subjects for PSC, JSC, HSC, BCS Exam solution, Primary job solution, University, and Job Solution short cut technique.
- & Chapter 3.1, Lecture-16
১২) x=3, y=4 এবং z=5 হলে, 9x^2+16y^2+4z^2-24xy-16yz+12xz= কত?
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Class- Nine & Ten General Math Chapter 3.1, Lecture- 15
১১) a+b+c=6 এবং a^2+b^2+c^2=14 হলে, (a-b)^2+(b-c)^2+(c-a)^2= কত ?
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Class- Nine & Ten General Math Chapter 3.1, Lecture- 14
১০) a^2+b^2+c^2=9 এবং ab+bc+ca=8 হলে, (a+b+c)^2 এর মান কত ?
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Class- Nine & Ten General Math Chapter 3.1, Lecture- 13
9) a+b+c=9 এবং ab+bc+ca=31 হলে, a^2+b^2+c^2 এর মান নির্ণয় কর।
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Class- Nine & Ten General Math Chapter 3.1, Lecture- 12
৮) a+b=√7 এবং a-b=√5 হলে, প্রমাণ কর যে, 8ab(a^2+b^2)=24
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Class- Nine & Ten General Math Chapter 3.1, Lecture- 11
৭) a+1/a=2 হলে, দেখাও যে, a^2+1/a^2=a^4+1/a^4
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