Two cubic equations

Algebra Level 4

If a3−3a2+5a−17=0a^3-3a^2+5a-17=0 and b3−3b2+5b+11=0b^3-3b^2+5b+11=0 are such that (a+b)(a+b) is a real number, then find the value of (a+b)(a+b).

Sandeep Bhardwaj by Sandeep Bhardwaj
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