Advertisements
Advertisements
प्रश्न
Find (m + n) ÷ (m - n), if: m = `2/3` and n = `3/2`
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`
APPEARS IN
संबंधित प्रश्न
Evaluate:
`- 5/12 ÷ 1/16`
Evaluate:
`- 21/16 ÷ ((-7)/8)`
m and n are two rational number such that
`"m"xx"n"=-25/9`
if `"n"=-10/9,`find `"m"`
Evaluate:
`3/4 ÷ (-5/12)`
By what number must `(-3)/4` be multiplied so that the product is `(-9)/16?`
By what number should `(-8)/13` be multiplied to get 16?
Find (a + b) ÷ (a – b) if a = `(-3)/5`, b = `2/15`
`(-3)/7 ÷ ((-7)/3)` = ______.
Reduce the following rational numbers in its lowest form:
`(-60)/72`
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find x ÷ (y ÷ z).
