Q121. The quantities T¡¡ and T¿¡ satisfy the relation Tmn = lmiễnjTij using Einstein summation convention. If the relation lkilkj = √¡j is satisfied, where d¡¡ is the Kronecker delta, show that Tij = lmi¹njTmn · (Hint: Multiply Tmn = miln¡Tij by Implna).
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