Question 83 (i)
Which is greater in the following? 34,78
Given rational numbers are 34 and 78
Making the denominators same Here,34=3×24×2=68 and 78=7×18×1=78 So, 78>34 Hence, the greater number is 78
Question 83 (ii)
Which is greater in the following? −357,319
Question 9 (i)
Which is greater in each of the following: 23,52
Question 83 (xxi)
Multiply the following:
(3x2+4x−8),(2x2−4x+3)