If a^2 + b^2 = c^2, then 1/log c + a^b + 1/logc-a^b =
1
2
-1
-2
Explanation:
logb(c+a) + logb(c-a) =logb(c^2-a^2) = logb b^2 = 2.
Additional Questions
|
If log10 (87.5) = 1.9421, then the number of digits in (875)^10 is? |
Answer |
|
The cost price of three varieties of oranges namely A, B and C is Rs 20/kg, Rs 40/kg and Rs 50/kg. Find the selling price of one kg of orange in which these three varieties of oranges are mixed in the ratio of 2 : 3 : 5 such that there is a net profit of 20%? |
Answer |
|
A sweet seller sells 3/5th part of sweets at a profit of 10% and remaining at a loss of 5%. If the total profit is Rs 1500, then what is the total cost price of sweets? |
Answer |
|
If 12% of x is equal to 6% of y, then 18% of x will be equal to how much % of y ? |
Answer |
|
If a number is 20% more than the another, how much % is the smaller number less than the first ? |
Answer |
|
A polygon has 44 diagonals, then the number of its sides are |
Answer |
|
How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines? |
Answer |
|
Ten years ago, Kumar was thrice as old as Sailesh was but 10 years hence, he will be only twice as old. Find Kumar’s present age. |
Answer |
|
A father is twice as old as his son. 20 years ago, the age of the father was 12 times the age of the son. The present age of the father (in years) is |
Answer |
|
If a^2 + b^2 = c^2, then 1/log c + a^b + 1/logc-a^b = |
Answer |