downloads-physics-bosco-test-book-for-2puc
If A=(aij) is 3×3 matrix and Aij=cofactor of aij then a11A11+a31A31+a25A25 is equal to
Cylindrical pillar is 50 cm in diameter and 3.5 minute find the cost of painting the car surface of the pillar @ rupees 12 point 15 m square