M ভরের একটি বল অসীম থেকে পৃথিবীর পৃষ্ঠে পড়ে। 2m ফ্যা ভরের আরেকটি বল B...

If A = 3B and a = 2b , then :m /_B = ...

The magnetic moment of divalent ion in aqueous solution with atomic number 25 is A. 2.9 B.M. B. 5.9 B.M. C. 6.9 B.M. D.9.9 B.M.

In a A B C , A D is the bisector of /_A , meeting side B C at D . If A B=10 c m , A C=14 c m and B C=6c m , find B D and D C (ii) If A C=4. 2 c m , D C=6c m and B C=10 c m , find A B . (iii) If A B=5. 6 c m , A C=6c m and D C=3c m , find B C .

Let m ,n are integers with 0

The expression ((cos A-cos B)/(sin A-sin B))^m+((sin A+sin B)/(cos A-cos B))^m where m in N has the value- a.2cot^m((A-B)/2), if m i s od d b. 0, if m i s od d c. 2cot^("m")((A-B)/2), if m i s e v e n d. 0, if m i s e v e n

Three particles A , B and C of masses m , 2m and 3m are placed on a straight line of length 2L as shown. Find the M.I. about an axis passing through B and perpendicular to the line AC .

Medians of A B C intersect at G . If a r\ ( A B C)=27\ c m^2, then a r\ ( A B G C)= 6\ c m^2 (b) 9\ c m^2 (c) 12\ c m^2 (d) 18 c m^2

If L = (40 + 0.02) m and B = (20 +0.01) m then L/B is (A) (2 +0.003) m (B) (2 +0.015) m (C) (2 + 0.01) m (D) (2 +0.002) m

If 2m 60 m cloth is required for one shirt then the cloth required for 7 shirts is a. 14 m 80 c m b. 18 m 20 c m c. 15 m 20 c m d. 16 m 80 c m