Question
Centre of origin of Gossypium herbaceum
is:Solution
Gossypium herbaceum, also known as upland cotton, is believed to have originated in India. It is one of the oldest cultivated species of cotton and has been grown in the Indian subcontinent for thousands of years. The wild relatives of Gossypium herbaceum are also found in India.
If √c + (1/√c) = 7, then find the value of c + (1/c).
Find the 36th term of the series 25, 29, 33……
If, 2x + y = 13, and 2xy = 12, and 2x > y, then find the value of 8x³ – y³.
If a + b = 56 and (a – b)² = 496, find the value of the product of a and b.
- If (x + y + z) = 10 and (x 2 Â + y 2 Â + z 2 ) = 52, then find {z(x + y) + xy}.
If x/y = 5/3, Find (x+y)/(x-y)?
If, ( a + b = 20 ) and ( a² + b² = 208 ), then find the value of (a³ + b³).
 `sqrt(sqrt(2+sqrt(2+sqrt(2)) ... prop)`  = ?
If x = (2+√3)/(2-√3), y = (2-√3)/(2+√3)
Then find out the value of (x²+y²-xy)/(x²+y²+xy)
If x = 222, y = 223 and z = 224, then find the value of x³ + y³ + z³ – 3xyz
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