If the area of a rectangle with length (a+b) and breadth(2a+b)is the same as the algebraic
expression Ka'+3ab+b. Find the value of 'K'.
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Answer:
2a + b²/2 + b/2
Step-by-step explanation:
area of the rectangle = ka + 3ab + b
(a+b)(2a+b)= 2a² + ab + 2ab + b² = 2 a² + 3 Ab + b²
= ka + 3 Ab + b
=> ka = 2 a² + 3 Ab + b² - 3 Ab - b
=> K = 2a + b²/2 + b/2
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