You may not use a calculator. Only use exact values. Using the Law of Cosines, Pythagorean Identity, and the Triangle Area Formula, show that the area of the triangle, below is 5. It doesn't matter which angle you solve for in the beginning. No angles are given at the beginning. a=sqrt 8 b=sqrt 17 c=sqrt 13

hello from mrbilldoesmath!

answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb

answer: sherk

step-by-step explanation:

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