`1/sqrt(10)(3hatj + hatk)` and `vecb =(2hati +3hatj-6hatk)`, then the value of `(2veca-vecb).[(vecaxxvecb)xx(veca+2vecb)]` is:

veca =1/sqrt(10)(3hati + hatk) and vecb =1/7(2hati +3hatj-6hatk) , then the value of (2veca-vecb).[(vecaxxvecb)xx(veca+2vecb)] is:

veca =1/sqrt(10)(3hati + hatk) and vecb =1/7(2hati +3hatj-6hatk) , then the value of (2veca-vecb).[(vecaxxvecb)xx(veca+2vecb)] is:

If veca=1/(sqrt(10))(3hati+hatk),vecb=1/7(2hati+3hatj-6hatk) , then the value of (2veca-vecb).{(vecaxxvecb)xx(veca+2vecb)} is

If veca=(3hati-hatj)/(sqrt(10)) and vecb=(hati+3hatj+hatk)/(sqrt(11)), then the value of (2veca+vecb)".[(veca xx vecb)xx(veca-3vecb)]

If veca=(hati-2hatj)/(sqrt(5)) and vecb=(2hati+hatj+3hatk)/(sqrt(14)), then the value of (2veca+vecb)".[(veca xx vecb)xx(veca-2vecb)]

If veca and vecb are vectors in space given by veca=(hati-2hatj)/(sqrt(5)) vecb=(2hati+hatj+3hatk)/(sqrt(14)) then the value of (2veca+vecb).[(vecaxxvecb)xx(veca-2vecb)] , is

If veca and vecb are vectors in space given by veca=(hati-2hatj)/(sqrt(5)) vecb=(2hati+hatj+3hatk)/(sqrt(14)) then the value of (2veca+vecb).[(vecaxxvecb)xx(veca-2vecb)] , is