Question

| 47. यदि *: } = 3 : 4, हो, तो 5 - 2u 73 + 2u का मान कितना होगा?

11th - 12th Class

Maths

Solution

135

4.0 (1 ratings)

( frac{x}{y}=frac{3}{4} Rightarrow x=frac{3}{4} y-0 ) Rut ea min aven equation ( frac{5 x-2 y}{7 x+2 y}=frac{5left[frac{3}{4} yright]-2 y}{7 timesleft(frac{3}{4} yright)+2 y} ) ( =frac{frac{15}{4} y-2 y}{frac{21}{4} y+2 y} Rightarrow frac{15 y-8 y}{21 y+8 y}=frac{7}{29} )