Question

20. If F is normal to the surfa
curl F dV is
(a) F
(b) FS
(c) zero
(d) None of these
21. The third side of a triangle whose base is given by
a=i+j+k and one of the other two sides by 7 = 2ſ +3k
is
(a) î - 3j + 2 Â
(b) î + 3j - 2
(c) - î + ſ - 2
(d) - i + i + 2
22. The area of the triangle whose two sides are given by
a =5 - 3j + 4k and 7 =j-k, is
51
(a)
50
(b)​

Answer 1

Answer:

hi mates her the answer

Explanation:

1. 2

2. 4

3. 2

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