If sinA = 1 / 2 , find the value of 2secA / 1 + tan^2A.
Solve the ques 15 in the attachment
Explain AC is more dangerous than DC
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December 2022
The time taken by a person to cover 150 km was 2whole 1 / 2 hrs more than the time taken in the return journey. If he returned at speed of 10 km / hr more than the speed while going. Find the speed per hr in each direction.Class 10Quadratic...
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December 2022
How many terms of the AP 63, 60, 57, 54, ... must be taken so that their sum is 693? Explain the double answer
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December 2022
In an AP, the first term is 22, nth term is - 11 and sum of first n terms is 66. Find n and hence find the common difference.
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December 2022
The sum of first n terms of two APs are in the ratio ( 3n + 8) : ( 7n + 15). Find the ratio of their 12th terms.
Solve the ques 6. ( i ) and ( ii ) in the above attachment
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December 2022
The sum of the first 9 terms of an AP is 81 and that of its first 20 terms is 400. Find the first term and the common difference of the AP.
Why it is very necessary political representation of women?Class 10
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December 2022
1) Different type of rocks with example.2) What are rocks ? Explain rock cycle 3 ) Difference between Organic and inorganic mineral. ( V. V. I )Class 10Note:- Don't copy from net No Spams
Draw a triangle ABC with sides 6 cm, 8 cm and 9 cm and then construct a triangle similar to triangle ABC whose sides are 3 / 5 of the corresponding sides of triangle ABC.
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December 2022
A card is drawn at random from a well shuffled deck of 52 cards. Find the probability of getting neither a red card nor a queen.
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December 2022
Explain this point Accelerate the rate of urbanisation.Class 10Note :- Don't copy from net
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December 2022
If alpha, beta are zeroes of x^2 - 10x + 5, find the value of [tex] \alpha { }^{ - 1} + \beta {}^{ - 1} .[/tex]
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December 2022
5. Find the zeroes of polynomial 2x^2 + 5x - 12 and verify the relationship between its zeroes and its coefficients.Class 10Content Quality Solution RequiredDon't Spamming
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December 2022
1. Points A and B are 150 km apart on a highway. A car starts from A and another car starts from B simultaneously. If they travel in the same direction, they meet in 15 hours, but if they travel towards each other, they meet in 5 hours. Find the...
Prove that n^2 - n is divisible by 2 for every positive integer n.
Find k if quadratic equation x^2 + kx + k = 0 has positive roots.
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December 2022
Solve the quadratic equation 9x^2 - 15x + 6 = 0 by method of Completing the square.