If `a=hati+hatk-2hatk, b=2hati-hatj+hatk and c=3hati-hatk c =ma+nb` then m+n ios equal to

If a=3hati-2hatj+hatk,b=2hati-4hatj-3hatk and c=-hati+2hatj+2hatk , then a+b+c is

If a=3hati-2hatj+hatk,b=2hati-4hatj-3hatk and c=-hati+2hatj+2hatk , then a+b+c is

If a=3hati-2hatj+hatk,b=2hati-4hatj-3hatk and c=-hati+2hatj+2hatk , then a+b+c is

If a=3hati-2hatj+hatk,b=2hati-4hatj-3hatk and c=-hati+2hatj+2hatk , then a+b+c is

If a=3hati-2hatj+hatk,b=2hati-4hatj-3hatk and c=-hati+2hatj+2hatk , then a+b+c is

If a=hati+2hatk+3hatk, b=-hati+2hatj = hatk and c=3hati+hatj , then p such that a+pb is at right angle to c will be

If a=hati+2hatj+3hatk,b=-hati+2hatj+hatk and c=3hati+hatj . If (a+tb) bot c , then t is equal to

If a=hati+2hatj+3hatk,b=-hati+2hatj+hatk and c=3hati+hatj . If (a+tb) bot c , then t is equal to

If a=hati+2hatj+3hatk,b=-hati+2hatj+hatk and c=3hati+hatj . If (a+tb) bot c , then t is equal to