i.`39^(2)-38^(2)` iv.`134^(2)-133^(2)`

Find (40^2 - 39^2) + (38^2 - 37^2) + (36^2 - 35^2) +..+ (2^2 - 1^2) .

sin^(2)22^(@)+sin^(2)38^(@)+sin22^(@) sin38^(@)=

Evaluate : (i) (2^(38) + 2^(37) + 2^(36))/(2^(39) + 2^(38) + 2^(37)) (ii) [(64^((1)/(2)))^((1)/(6))]^(2)

([(729)^(1//2)+(0.0016)^(1//2)])/(8) "of" 134.567=?

The centre of the circle given by vec r.( hat i+2 hat j+2 hat k)=15a n d| vec r.( hat j+2 hat k)|=4 is a. (0,1,2) b. (1,3,4) c. (-1,3,4) d. none of these

The centre of the circle given by vec rdot( hat i+2 hat j+2 hat k)=15a n d| vec r-( hat j+2 hat k)|=4 is a. (0,1,2) b. (1,3,4) c. (-1,3,4) d. none of these

Which of the following can not be the probability of an event? (i) (2)/(7) (ii) 3.8 (iii) 37% (iv) -0.8 (v) 0.8 (vi) (-2)/(5) (vii) (7)/(8)

(99)^2-(?)^2+(38)^2=8436