:.quad i+

If i=sqrt(-1),P=[(i,0,-i),(0,-i,i),(-i,i,0)] and Q=[(-i,i),(0,0),(i,-i)] then PQ is equal to -

If a=1+i, then a^(2) equals 1-i b.2i .(1+i)(1-i) d.(i-1)

Arrange the following compounds in increasing order of basicity : 1) (P) (Q) (Q) (Q) (Q) ( (I) (I) (I) (I) (I) (I) (I) (I) (I) (I) (I) (I) (I) (I) (I) (I) (I) (I)

Write the following in the form x+iy: (i) i+i^(2)+i^(3)+i^(4) (ii) i^(4)+i^(8)+i^(12)+i^(16) (iii) i+i^(5)+i^(9)+i^(13) (iv) i^(9)+i^(10)+i^(11)+i^(12) .

In a polymerase chain reaction, temperature required for the steps (i) Denaturation, (ii) Annealing and (iii) Extension are respectively A) ( i ) 94 ∘ C ( i i ) 40 ∘ C ( i i i ) 72 ∘ C B) ( i ) 40 ∘ C ( i i ) 72 ∘ C ( i i i ) 94 ∘ C C) ( i ) 94 ∘ C ( i i ) 72 ∘ C ( i i i ) 40 ∘ C D) ( i ) 72 ∘ C ( i i ) 94 ∘ C ( i i i ) 40 ∘ C

In a polymerase chain reaction, temperature required for the steps (i) Denaturation, (ii) Annealing and (iii) Extension are respectively A) ( i ) 94 ∘ C ( i i ) 40 ∘ C ( i i i ) 72 ∘ C B) ( i ) 40 ∘ C ( i i ) 72 ∘ C ( i i i ) 94 ∘ C C) ( i ) 94 ∘ C ( i i ) 72 ∘ C ( i i i ) 40 ∘ C D) ( i ) 72 ∘ C ( i i ) 94 ∘ C ( i i i ) 40 ∘ C

In a polymerase chain reaction, temperature required for the steps (i) Denaturation, (ii) Annealing and (iii) Extension are respectively A) ( i ) 94 ∘ C ( i i ) 40 ∘ C ( i i i ) 72 ∘ C B) ( i ) 40 ∘ C ( i i ) 72 ∘ C ( i i i ) 94 ∘ C C) ( i ) 94 ∘ C ( i i ) 72 ∘ C ( i i i ) 40 ∘ C D) ( i ) 72 ∘ C ( i i ) 94 ∘ C ( i i i ) 40 ∘ C

Let i^(2)=-1 , then (i^(10)-1/(i^(11)))+(i^(11)-1/(i^(12)))+(i^(12)-1/(i^(13)))+(i^(13)-1/(i^(14)))+(i^(14)+1/(i^(15))) is equal to a) -1+i b) -1-i c) 1+i d) -i

Check which is greater i^(i) and i^(-i)