Prove that (a+b+c) cube -a cube-b cube-c cube=3(a+b)(b+c)(c+a)
P. Prove that (a+b+c) cube -a cube-b cube-c cube=3(a+b)(b+c)(c+a)
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Let ABCDEF be a regular hexagon with centre O, show that AB+AC+AD+AE+AF
P. Let ABCDEF be a regular hexagon with centre O, show that AB+AC+AD+AE+AF (For other Questions, you can find Jr. Inter Maths 1A , Jr. Inter Maths 1B , Sr. Inter Maths2A , Sr. Inter Maths2B playlists in the You tube.) (Our YouTube channel: Maths Solutions by HPL ) Solutions to the below questions are also available in our You tube channel Maths 1A: 1. If the points whose position vectors are 3i-2j-k,2i+3j-4k,-i+j+2k 2. If a=2i+j-k, b=-i+2j-4k, c=i+j+k then find (a×b).(b×c) 3. For A belongs to R, Prove that cosA.cos((π/3)+A).cos((π/3)-A)=1/4cos3A and 4. Solve cot^2x-(√3+1)cotx+√3 5. Prove that tan^(-1)(1/2) + tan^(-1)(1/5) + ta...
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