Question
Tree species suitable for alley
croppingSolution
Leucaena leucocephala and Sesbania sesbane are the suitable tree species for alley as they are fast growing, leguminous plant in addition to this they produce appropriate shade for the companion crops and don not compete for the resources.
If x = (2+√3)/(2-√3), y = (2-√3)/(2+√3)
Then find out the value of (x²+y²-xy)/(x²+y²+xy)
 `sqrt(sqrt(17+sqrt(17+sqrt(17)) ... prop)`  = ?
If (2a + b)/(3b - 2b) = 13/2 then 'b' is what percent of 'a'?
If x2 – 10x + 20 = 0, then find the value of (x – 3)2 + 1/(x – 3)2
The coefficient of ‘b2’ in (3a + b)3 is
If (a2 + 1/a2) = 18, then find the value of (a3 - 1/a3).
What is the value of (a² + b²+4c²- ab-2bc-2ca) (a + b+2c):
√4096 + √(?) + 13 – 29 = 148Â
 `sqrt(sqrt(10-sqrt(10-sqrt(10)) ... prop)` = ?
- If (a 2  + 1/a 2 ) = 66, then find the value of (a 3  – 1/a 3 ).
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