Advertisements
Advertisements
प्रश्न
Solve the following equation: `7"x" + 3/"x" = 35 3/5`
उत्तर
`7"x" + 3/"x" = 35 3/5`
`7"x"^2 + 3 = 178/5 "x"`
`7"x"^2 - 178/5 "x" + 3 = 0`
`"x"^2 - 178/35 "x" + 3/7 = 0`
`"x"^2 - 5"x" - 3/35 "x" + 3/7 = 0`
`"x"("x" - 5) - 3/35 ("x" - 5) = 0`
`("x" - 5)("x" - 3/35) = 0`
x = 5 , x = `3/35`
APPEARS IN
संबंधित प्रश्न
Solve the following quadratic equation for x : 4x2 − 4a2x + (a4 − b4) =0.
Sum of two numbers is 16. The sum of their reciprocals is 1/3. Find the numbers.
The product of Ramu's age (in years) five years ago and his age (in years) nice years later is 15. Determine Ramu's present age.
If 1 is a root of the quadratic equation \[3 x^2 + ax - 2 = 0\] and the quadratic equation \[a( x^2 + 6x) - b = 0\] has equal roots, find the value of b.
Solve the following equation: 3x2 + 25 x + 42 = 0
Solve the equation 3x² – x – 7 = 0 and give your answer correct to two decimal places.
Solve the following quadratic equation by factorisation:
(x - 4) (x + 2) = 0
If the product of two positive consecutive even integers is 288, find the integers.
A shopkeeper buys a certain number of books for Rs 960. If the cost per book was Rs 8 less, the number of books that could be bought for Rs 960 would be 4 more. Taking the original cost of each book to be Rs x, write an equation in x and solve it to find the original cost of each book.
Solve the following equation by factorisation :
x2 + 6x – 16 = 0
