If Dp=∣∣ ∣ ∣∣p158p2259p34510∣∣ ∣ ∣∣, then det(D1+D2) is equal to-
∫ex (sin x + cos x)dx is equal to -
If (a−d)2 , a2 , (a+d)2 are in GP, then d2a2 equals to [a ≠ 0,d ≠ 0]