3 4
Question
Prove that that line of intersection of planes 5x+2y-4z+2 and 2x+8y+2z-1 is parallel to tha plane 4x-2y-5z-2
Maths
Jan. 23, 2019, 9:44 a.m.
Answer
If magnitude of a.b vector =magnitude of a cross b vector then angle between a and b vector is
question no 16
A solid right circular cone of diameter 14 cm and height 8 cm is melted to form a hollow sphere. If the external diameter of the sphere is 10 cm, find the internal diameter of the sphere.
Maths
Jan. 22, 2019, 9:55 p.m.
Answer
show that square of any positive integer is either of the form 4m or 4m+1, for some integer m
Sir kabhi Sn ki value a(rn - 1 ) hoti h...
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r - 1
Kabhi a(1-rn) hoti h why????
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1 - r
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r - 1
Kabhi a(1-rn) hoti h why????
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1 - r
Maths
Jan. 22, 2019, 8:43 p.m.
Answer
A door frame of dimensions 4m×3m is fixed on the wall of dimension 15m×15m.Find the total labour charges for painting the wall if the Labour charge for painting 1sq. m of the wall is Rs. 3.50