State and prove necessary condition for extreme values of the function f (x,y)

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State and prove sufficient condition for differentiability of the function f(x,y).

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VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 10 : 6x – 2 – (4x – 7) equals – (A) 2x + 5, (B) 2x - 7, (C) 10x + 5, (D) - 2x + 5, (E) 2x – 9.

1 Answers  

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if the price of orange falls by 20 % one can buy 5 dozens more for RS 300, then the original price per dozen is

0 Answers   DSQ Software,

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VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 11 : The value of (3^5) (3^3) / (3^2) is - (A) 3^6, (B) 3^9, (C) 3^4, (D) 3^(15/2), (E) 3^13.

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VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 9 : In a shift-code, the letters of the alphabet are replaced by the numbers 1 to 26 starting at some letters. An example is : A = 25, B = 26, C = 1, D = 2, E = 3, F = 4, G = 5, H = 6, I = 7, J = 8, K = 9, L = 10, M = 11, N = 12, O = 13, P = 14, Q = 15, R = 16, S = 17, T = 18, U = 19,V = 20, W = 21, X = 22, Y = 23, Z = 24. There are two shift-codes in which the sum of the numbers representing the letters of the word HOLE is 48. What is the sum of the numbers representing the letters of the word BLACK in each of these codes?

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find 15% of 86.04=

0 Answers   Wipro,

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VOLUNTEER TRAINING FOR DISADVANTAGED IN MATHS – QUESTION 12 : A tap drips at a rate of one drop of water every second. If it takes 600 such drops to fill a 100 millilitre bottle, the number of litres of water that would be wasted in 300 days is - (A) 432, (B) 4320, (C) 43200, (D) 432000, (E) 4320000.

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Every even integer greater than 2 can be written as the sum of two primes. Give the respective two pairs of prime numbers that when added give 8 and 12.

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What is R-square, adjusted R-square? What is the difference?

1 Answers   TNS,

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state clearly the domain and range of random variable?

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y=log(sinx), find dy/dx.

0 Answers   Bently,

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