Home
Class 12
MATHS
If vecA and vecB are two vectors and k a...

If `vecA and vecB` are two vectors and k any scalar quantity greater than zero, then prove that `|vecA+ vecB|^(2) le (1+k)|vecA|^(2)+ (1+ (1)/(k))|vecB|^(2)`

Promotional Banner

Similar Questions

Explore conceptually related problems

If veca and vecb are two given vectors and k is any scalar,then find the vector vecr satisfying vecr xx veca +k vecr=vecb .

If veca and vecb are two given vectors and k is any scalar,then find the vector vecr satisfying vecr xx veca +k vecr=vecb .

If veca and vecb are two given vectors and k is any scalar,then find the vector vecr satisfying vecr xx veca +k vecr=vecb .

If veca,vecb are any two vectors, then prove that |vecaxxvecb|^(2)+(veca.vecb)^(2)=|veca|^(2)|vecb|^(2)

If veca and vecb are two vectors, such that |veca xx vecb|=2 , then find the value of [veca vecb veca xx vecb]

For any two vectors veca and vecb prove that |vecaxxvecb|^(2)+(veca*vecb)^(2)=|veca|^(2)|vecb|^(2)

If veca and vecb are two vectors such that |veca+vecb|=|veca| then prove that vector 2veca + vecb is perpendicular to vector vecb .

If veca and vecb are two vectors such that |veca+vecb|=|veca| , then prove that the vector 2veca+vecb is perpendicular to vector vecb .

If veca , vecb are two vectors such that | (veca+vecb)=|veca| then prove that 2 veca + vecb is perpendicular to vecb.

If veca and vecb are two vectors, such that |veca xx vecb|=2 , then find the value of [veca vecb veca xx vecb] .