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Can someone please solve this for me? I have similar questions like this too.

Can someone please solve this for me? I have similar questions like this too.-example-1
User JRicardo
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1 Answer

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Explanation:

The area of the trapezoid is the average of the bases times the height

[ (k+3)/3 + (3k+1)/3 ] /2 * 1/(k^2-1) <====now simplify with several steps:

=

(4k+4)/6 * 1 /(k^2-1)

(2k+2)/3 * 1 /(k^2-1)

(2k+2)/(3 (k^2-1) )

2(k+1)/[3 (k+1)(k-1)]

2 / (3(k-1))

User Marvin Klein
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