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.Exercise 2⋅ 2- Which one is the set of factors of 4?
(a) { 8 , 16 , 24 ...} (b) ( 1 , 2 , 3 , 4 , 8 } (c) {2, 6, 8} (d) {1, 2} - If a relation of set B from set C is R, which one of the following is right?
(a) RC (b) RB (c) RCuB (d) CuBR - If A { 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 }, answer the following questions :
(i) Which one is builder method of setA?(a) {xN: 6 x 13 } (b) {xN: 6 dx 13 }
(c){xN: 6 dxd 13 } (d) {xN: 6 xd 13 }
(ii) Which one is the set of prime numbers?(a) { 6 , 8 , 10 , 12 } (b) { 7 , 9 , 11 , 13 } (c) { 7 , 11 , 13 } (d) A { 9 , 12 }
(iii) Which is the set of multiple of 3?(a) { 6 , 9 } (b) { 6 , 11 } (c) { 9 , 12 } (d) { 6 , 9 , 12 }
(iv) Which is the set of factor of greater even number?(a) { 1 , 13 } (b) { 1 , 2 , 3 , 6 } (c) { 1 , 3 , 9 } (d) { 1 , 2 , 3 , 4 , 6 , 12 }
- If A { 3 , 4 }, B { 2 , 4 }, find the relation between elements of A and B
considering x!y. - If C { 2 , 5 }, D { 4 , 6 } and find the relation between element of C and D
considering relation x 1 y. - If f(x) x^4 5 x 3 , the find value of f( 1 ), f( 2 ) and ̧
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21
f.- If f(y) y^3 ky^3 4 y 8 , for which value of k will be f( 2 ) 0.
- If f(x) x^3 6 x^2 11 x 6 , for which value of x will be f(x) 0.