Evaluate the following:
(i) `7! - 6!` (ii) `(8!)/(6!)`

Evaluate the following : (i) 4!-3! (ii) (8!)/(6!2!)

Evaluate the following : 7xx4xx(-6)xx8

Evaluate the following : (i) 4/5 div 3" (ii) "7/8 div 5/6" (iii) " 5""1/3 div 4/15 .

Find the reciprocal of each of the following: (i) 12 " " (ii) -8" " (iii) (5)/(6) " " (iv) (-14)/(17)

find the square roots of the following: (i) -8-6i (ii) 5-12i .

Find the value of each of the following: ( i ) 8^(@) ( ii ) (-3)^(@) ( iii ) 4^(@)+5^(@) ( iv ) 6^(@) xx 7^(@)

Find the square root of the following : (i) 3-4i (ii) 4+6isqrt(5) (iii) -i (iv) 8i (v) -7+24i (vi) -24- 10i

Find the square root of the following : (i) 3-4i (ii) 4+6isqrt(5) (iii) -i (iv) 8i (v) -7+24i (vi) -24- 10i

Find x in each of the following: (1)/(6!)+(1)/(7!)=(x)/(8!)

Find the reciprocal of each of the following: ( i ) (frac(5)(8))^(4) ( ii ) (frac(-5)(6))^(11) ( iii ) 6^(7) ( iv ) (-4)^(3)