(-7)-8-(-25)

The value of (8^(-25)-8^(-26)) is a.7xx8^(-25)b7xx8^(-26)c.8xx8^(-26)d .none of these

Write the following as percentages. a. (3)/(20) b. 0.123 c. 7:8 d. (7)/(25) e. 34.765 f. 13:25

Two non-negative integers are chosen at random, then the probability that the sum of their squares is divisible 5 is 7/(25) (b) 8/(25) (c) 9/(25) (d) 5/(25)

Two non-negative integers are chosen at random,then the probability that the sum of their squares is divisible 5 is (7)/(25) (b) (8)/(25) (c) (9)/(25) (d) (5)/(25)

If A={:((1,-3,4,2),(0,5,-2,3))and B=((-5,0,6,4),(7,8,-2,5)), find a matrix X of order 2xx4 such that 3A-2X=B.

Multiply: (-8)/(25)by(-5)/(16) (ii) (6)/(7)by(-49)/(36)

Multiply: (-8)/(25) by (-5)/(16) (ii) 6/7 by (-49)/(36)

If A=[(3,7),(2,5)] , B=[(6,8),(7,9)] then verify (AB)^-1=B^-1A^-1 .