PlzzzzAns this
4 question
Attachments:
Answers
Answered by
6
Heya!!
To find x let's calculate it's dot product.
A . B = A B Cos ©
Where © is angle between A and B
© = 90° Given.
Cos 90 = 0
______________________________
=>
A . B = 0
=>
8 + 2x + 2 = 0
=>
2x = -10
=>
x = -5
So, value of x is -5
To find x let's calculate it's dot product.
A . B = A B Cos ©
Where © is angle between A and B
© = 90° Given.
Cos 90 = 0
______________________________
=>
A . B = 0
=>
8 + 2x + 2 = 0
=>
2x = -10
=>
x = -5
So, value of x is -5
Amish4567:
aap n dikha diya...ki aap patthar dil insaan ho...
Similar questions