Advertisements
Advertisements
प्रश्न
Choose the most appropriate option:
If the product of zeroes of the polynomial ax2 - 6x - 6 is 4, find the value of 'a'.
विकल्प
`-1/2`
`3/2`
`-3/2`
`1/2`
Advertisements
उत्तर
`-3/2`
Explanation:
Product of zeros `alpha beta= "c"/"a"=4`
`⇒(-6)/"a"=4`
`⇒"a"(-3)/2`.
APPEARS IN
संबंधित प्रश्न
Direction : Answer the question on the basis of the information given below.
After their wedding, Riz and Rekha decide to move into a new apartment, which is unfurnished. So they decide to buy the necessary home appliances with the gift money that they received at their wedding. The total gift money received was Rs.1,23,000 out of which the amount spent on wooden furniture is Rs.24,000, which is double the amount spent on carpeting the drawing room floor. The remaining amount was spent on buying exactly three items namely TV, AC and Washing Machine, the prices of which are in the ratio 11 : 13: 5 respectively.
Which of the options below states the correct amounts paid by Riz and Rekha to buy their TV, AC and Washing Machine respectively?
When-all the students in a school are made to stand in rows of 54, 30 such rows are formed. If the students are made to stand in rows of 45, how many such rows will be formed?
The table shows the daily expenditure on the food of 25 households in a locality:
| ₹ | 100-150 | 150-200 | 200-250 | 250-300 | 300-350 |
| Households | 4 | 5 | 12 | 2 | 2 |
The mean daily expenditure on food is:
At the beginning of a partnership business, the capital of B was `3/2` times that of A. After 8 months B withdrew `1/2` of his capital and after 10 months A withdrew `1/4`of his capital. At the end of the year, if the profit incurred is ₹53000 find the amount received by A.
Two partners invest ₹125000 and ₹85000, respectively in a business and agree that 60% of the profit should be divided equally between them and the remaining profit is to be treated as interest on capital. If one partner gets ₹600 more than the other, find the total profit made in the business.
4 L is drawn from a container full of milk and then is filled with water. This operation is performed three more times. The ratio of the quantity of milk left in the container and that of water is 16 : 65. How much milk did the container hold initially?
How many kilograms of sugar costing ₹9 per kg must be mixed with 27 kg of sugar costing ₹7 per kg so that there may be a gain of 10% by selling the mixture at ₹9.24 per kg?
Find the ratio in which rice at ₹7.20 per kg, be mixed with rice at ₹5.70 per kg to produce a mixture worth ₹6.30 per kg.
A pudding of mass 900 g has three ingredients: flour, sugar, and butter. There are three times as much flour as sugar and two times as much sugar as butter. How much flour (in g) is there in the recipe?
If a : b : c = 2 : 3 : 4 and 2a − 3b + 4c = 33, then the value of c is ______.
