The scalar product of `2i-3j+5j` and `8i+j+4k` is

The scalar product of 5i + j – 3k and 3i – 4j + 7k is:

The scalar product of the vector hat i+ hat j+ hat k with a unit vector along the sum of vector 2 hat i+4 hat j-5 hat k and lambda hat i+2 hat j+3 hat k is equal to one. Find the value of lambda .

The scalar product of the vector hat i+hat j+hat k with the unit vector along the sum of vectors 2hat i+4hat j-5hat k. and lambdahat i+2hat j+3hat k is equal to one.Find the value of lambda .

The value of scalar triple product i-2j+3k, 2i+j-k" and "j+k is

The scalar product of the vector i+j+k with a unit vector along the sum of vectors 2i+4j-5k and lambda i+2j+3k is equal to one.Find the value of lambda

Find lambda such that the scalar product of the vector vec i + vec j + vec k with the unit vector parallel to the sum of the vectors 2 vec i + 4 vec j - 5 vec k and lambda vec i + 2 vec j + 3 vec k is equal to 1.

What is the value of b such that the scalar product of the vector hat(i) + hat(j) + hat(k) with the unit vector parallel to the sum of the vectors 2hat(i) + 4hat(j)-5hat(k) and b hat(i) + 2hat(j) + 3hat(k) is unity ?

Find the scalar product of the following pairs of vectors and the angle between them : hat(i)+3hat(j)-8hat(k) " and " -3hat(i)-5hat(j)+4hat(k) .

Find the scalar product of the following pairs of vectors and the angle between them : 2hat(i)-3hat(j)+6hat(k) " and " 2hat(i)-3hat(j)-5hat(k)