(19)2.5×(19)x=(19)5×(19)−1.5. Find x.
2.5
1.5
3
1
0
(19)2.5+x=(19)5−1.5So,2.5+x=3.5⇒x=1
Find x if √2x+3 = 16.
If →a,→b&→c are 3 non-coplanar vectors and →p,→q&→r are vectors defined by →p→b×→a[→a→b→c],→q=→c×→a[→a→b→c] and →r=→a×→b[→a→b→c], and, then the value of (→a+→b).→p+(→b+→c).→q+(→c+→a).→r=