If `A = [ [ a , b , c ] , [ d , e , f ] , [ g , h , i ] ]` then find `A'`

If U" "=" "{a ," "b ," "c ," "d ," "e ," "f," "g," "h} , find the complements of the following sets : (i) A" "=" "{a ," "b ," "c} (ii) B" "=" "{d ," "e ," "f," "g] (iii) C" "=" "{a ," "c ," "e ," "g} (iv) D" "=" "{f," "g," "h ," "a)

If A = {a, b, c, e,f},B = {c, d, e,g} and C = {b, c,f,g} . Then, A - ( B cap C ) is equal to

If U = {a,b,c,d,e,f,g,h} , find the complement of the following sets: A= {a,b,c} , B ={d,e,f,g} , C ={a,c,eg}, D = {f,g,h,a}.

If A = {a,b,c,d,e ,f} , B= {c,e,g,h} and C={a,e,m,n} , find. (i) A cup B (ii) BcupC (iii) Acup C (iv) B cap C (v) C cap A (vi) Acap B

If X= {a,b,c,d} , Y = {f , b,d,g} , find: (i) X-Y (ii) Y-X.

If A = {a,b,c,d,e }, B= {a,c,e, g} and C = {b,e, f,g} verify that : (i) A cap (B-C) =(A cap B) -(A cap C) (ii) A- (Bcap C) =(A-B)cup (A-C)

Iron rods a, b, c, d, e and f are making a design in a bridge as shown in Fig. 5.47, in which a ||b, c ||d, e || f. Find the marked angles between (i) b and c (ii) d and e (iii) d and f (iv) c and f

The H.C.F. of a/b , c/d , e/f is equal to (a) (LCM of a , c , e)/(HCF of b , d , f) (b) (HCF of a , c , e)/(LCM of b , d , f) (c) (HCF of a , c , e)/(HCF of b , d , f) (d) (a c e)/(b df)

If a,b,c are in H.P , b,c,d are in G.P and c,d,e are in A.P. , then the value of e is