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'.
पर्याय
`-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
The ratio of two numbers is 4:5. But, if each number is increased by 20, the ratio becomes 6:7. The sum of such numbers is:
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?
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.
What percentage (approximately) of the total gift money received by Riz and Rekha was spent on buying the TV and AC?
The position vectors of the two points A and B are a and b respectively then the position vector of the point C which divides AB in the ration 2 : 1 will be :
The ratio between two numbers is 2 : 3. If the consequent is 24, the antecedent is
A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity sold at 18% profit is
70 males and 100 females are working in a firm. During one mass recruitment drive, an equal number of males and females are recruited and their ratio becomes 3:4. The total number of people working in the firm after recruitment is:
In the whole world, the ratio of land and water is 1 : 2. If this ratio is 2 : 3 in North hemisphere then what is the ratio of land and water in South hemisphere?
The ratio of the speed of P, Q and R is 2 : 3 : 5. If all the three covers equal distance then the ratio of time taken by P, Q and R respectively are:
The ratio between the present ages of Madan and Kamal is 8 : 5 respectively. After eight years Madan's age will be 40 years. What was Kamal's age 6 years ago?
