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If vecd=lambda(vecaxxvecb)+mu(vecbxxvecc...

If `vecd=lambda(vecaxxvecb)+mu(vecbxxvecc)+t(veccxxveca).[veca,vecbvecc]=(1)/(8)` and `vecd.(veca+vecb+vecc)=8` then `lambda+mu+t` equals …………

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