Advertisements
Advertisements
प्रश्न
Solve equation using factorisation method:
2(x2 – 6) = 3(x – 4)
Advertisements
उत्तर
2(x2 – 6) = 3(x – 4)
⇒ 2x2 – 12 = 3x – 12
⇒ 2x2 – 3x = 0
⇒ x(2x – 3) = 0
Since x = 0 or 2x – 3 = 0
Then x = 0 or x = `3/2`
संबंधित प्रश्न
Find the consecutive numbers whose squares have the sum 85.
The sum of a number and its square is 63/4. Find the numbers.
A two digit number is 4 times the sum of its digits and twice the product of its digits. Find the number.
A passenger train takes one hour less for a journey of 150 km if its speed is increased by 5 km/hr from its usual speed. Find the usual speed of the train.
A passenger train takes 2 hours less for a journey of 300 km if its speed is increased by 5 km/hr from its usual speed. Find the usual speed of the train.
Solve : x2 – 11x – 12 =0; when x ∈ N
Solve for x:
4x2 + 4bx − (a2 − b2) = 0
By increasing the speed of a car by 10 km/hr, the time of journey for a distance of 72 km. is reduced by 36 minutes. Find the original speed of the car.
Solve the following equation by factorization
2x2 – 9x + 10 = 0,when x∈N
A dealer sells a toy for ₹ 24 and gains as much percent as the cost price of the toy. Find the cost price of the toy.
