{:(5,6,3),(25,42,21),((2)/(7),(10)/(17),(20)/(?)):} | कक्षा 14 | पुरानासंख्या ज्ञात करना | कारण...

(5)/(7)((5)/(14)times(6)/(21))=

(5)/(7)+((5)/(14)times(6)/(21))=

{:(14,25,42),(2,4,6),(3,3,?),(4,7,9):}

-(3)/(7)xx(6)/(5)+(1)/(10)xx(3)/(2)-(6)/(5)xx(1)/(14)

17^(3.5)xx17^(7.3)/17^(4.2)=17^(?)

1,7,3,14,6,21,10,28,....

3, 5, 9, 11, 14, 17, 21 (a) 21 (b) 17 (c) 14 (d) 9

If f={(1,4),(2,5),(3,6)} and g={(4,8),(5,7),(6,9)} , then gof is

Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. (i) {(2,1),(5,1),(8,1),(11,1),(14,1),(17,1)} (ii) {(2,1),(4,2),(6,3),(8,4),(10,5),(12,6),(14,7)} (iii) {(1,3),(1,5),(2,5)}