Advertisements
Advertisements
प्रश्न
Find (m + n) ÷ (m - n), if: m = `2/3` and n = `3/2`
योग
Advertisements
उत्तर
Using formula (m + n) ÷ (m − n)
`= (2/3 + 3/2) ÷ (2/3 - 3/2)`
`= ((2xx2)/(3xx2) + (3xx3)/(2xx3)) ÷ ((2xx2)/(3xx2) - (3xx3)/(2xx3))`
(LCM of 3 and 2 = 6)
`= ((4 +9)/6) ÷ ((4-9)/6)`
`= 13/6 ÷ ((-5)/6)`
`= 13/6 xx 6/(-5) = - 13/5`
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Divide:
` 3 "by" 1/3`
Divide:
`0 "by" 7/(-9)`
Divide:
`- 3/4 "by" - 9/16`
Divide the sum of `5/8` and `(-11)/12` by the difference of `3/7` and `5/14`.
Divide : `(-21)/5` by `(-7)/(-10)`
Match the following:
| Column I | Column II |
| (i) `a/b ÷ a/b` | (a) `(-a)/b` |
| (ii) `a/b ÷ c/d` | (b) –1 |
| (iii) `a/b ÷ (-1)` | (c) 1 |
| (iv) `a/b ÷ (-a)/b` | (d) `(bc)/(ad)` |
| (v) `b/a ÷ (d/c)` | (e) `(ad)/(bc)` |
Simplify:
`13/11 xx (-14)/5 + 13/11 xx (-7)/5 + (-13)/11 xx 34/5`
Simplify:
`6/5 xx 3/7 - 1/5 xx 3/7`
If x = `1/10` and y = `(-3)/8`, then evaluate x + y, x – y, x × y and x ÷ y.
Find the reciprocal of the following:
`(-5 xx 12/15) - (-3 xx 2/9)`
