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t^2 + k^2 = 9

2t^2 - 5k^2 = 6

Solve the simultaneous equations

Thanks

1 answer

multiply 1st eqn by 5 ... 5t^2 + 5k^2 = 45

add eqns (to eliminate k) ... 7t^2 = 51

solve for t , substitute back to find k

should be two solutions for each unknown

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