Question
If, ( a + b = 20 ) and ( a² + b² = 208 ), then find
the value of (a³ + b³).Solution
( a + b = 20 )
( (a + b)² = 20² )
( a² + b² + 2ab = 400 )
( 208 + 2ab = 400 )
( 2ab = 192 ab = 96 )
(a³ + b³ = (a + b)(a² + b² - ab)) = 20 (208 - 96) = 20 * 112 = 2240)
Insectivorous plant show which type of movements?
The CO₂ receptor in C₃ plants is
KVK was recommended by which committee _____
The book ‘Crop Nutrition – Principles and Practices’ was written by ____
The bitter principle ‘Momordicin’ is present inÂ
The initial codons are
Which of the following is not a cause of seed deterioration?
Identify the bacteria that is used for pest control.
Which term describes plants in which ovules are not enclosed by any ovary wall and remain exposed before and after fertilization?
The rotation of the Earth contribute to the development of high and low-pressure systems by
Relevant for Exams:
