Advertisements
Advertisements
प्रश्न
`(3y - 3)/y ÷ (7y - 7)/(3y^2)` is
पर्याय
`(9y)/7`
`(9y^3)/((21y - 21))`
`(21y^2 - 42y + 21)/(3y^3)`
`(7(y^2 - 2y + 1))/(y^2)`
Advertisements
उत्तर
`(9y)/7`
Explanation;
Hint: `(3y - 3)/y ÷ (7y - 7)/(3y^2)`
= `(3(y - 1))/y ÷ (7(y - 1))/(3y^2)`
= `(3(y - 1))/y xx (3y^2)/(7(y - 1))`
= `(9y)/7`
APPEARS IN
संबंधित प्रश्न
Find the excluded values, of the following expression
`(x^2 + 6x + 8)/(x^2 + x - 2)`
Simplify `(x^3 - y^3)/(3x^2 + 9xy + 6y^2) xx (x^2 + 2xy + y^2)/(x^2 - y^2)`
Simplify `("b"^2 + 3"b" - 28)/("b"^2 + 4"b" + 4) ÷ ("b"^2 - 49)/("b"^2 - 5"b" - 14)`
If a polynomial p(x) = x2 – 5x – 14 is divided by another polynomial q(x) we get `(x - 7)/(x + 2)`, find q(x)
Simplify `(x(x + 1))/(x - 2) + (x(1 - x))/(x - 2)`
Simplify `((2x + 1)(x - 2))/(x - 4) - ((2x^2 - 5x + 2))/(x - 4)`
Iniya bought 50 kg of fruits consisting of apples and bananas. She paid twice as much per kg for the apple as she did for the banana. If Iniya bought ₹ 1800 worth of apples and ₹ 600 worth bananas, then how many kgs of each fruit did she buy?
Simplify `(1/("p") + 1/("q" + "r"))/(1/"p" - 1/("q" + "r")) xx [1 + ("q"^2 + "r"^2 - "p"^2)/(2"qr")]`
Arul, Madan and Ram working together can clean a store in 6 hours. Working alone, Madan takes twice as long to clean the store as Arul does. Ram needs three times as long as Arul does. How long would it take each if they are working alone?
Is it possible to design a rectangular park of perimeter 320 m and area 4800 m2? If so find its length and breadth.
