Advertisements
Advertisements
प्रश्न
Find (a + b) ÷ (a – b) if a = `1/2`, b = `2/3`
योग
Advertisements
उत्तर
a = `1/2`, b = `2/3`
a + b = `1/2 + 2/3`
= `(1 xx 3 + 2 xx 2)/6`
= `(3 + 4)/6`
= `7/6`
a − b = `1/2 - 2/3`
= `(1 xx 3 - 2 xx 2)/6`
= `(3 - 4)/6`
= `(-1)/6`
(a + b) ÷ (a − b) = `7/6 ÷ (-1)/6`
= `7/6 xx 6/(-1)`
= −7
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Numbers - Exercise 1.2 [पृष्ठ १९]
APPEARS IN
संबंधित प्रश्न
Find the value of `(-4)/5÷ (-3)`.
Find the value of `(-7)/12 ÷((-2)/13)`.
Divide:
`0 "by" 7/(-9)`
The product of two rational numbers is -5.If one of these numbers is `(-7)/15`,find the other.
Divide : `(-3)/13` by −3
Divide : −2 by `(-6)/(15)`
`3/4 ÷ (5/8 + 1/2)` = __________
Reduce the following rational numbers in its lowest form:
`91/(-364)`
Simplify:
`1 ÷ (-1/2)`
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find (x ÷ y) × z.
