book Maths Puzzle Numerical Ability

factor the quadratic expression completely, and find the roots of the expression.

49x^2 - 14x - 3

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book Other Question

Let H be a subspace of dimension n-1 of an n-dimensional vector space V. Show that if U is a subspace of B and U is not included in H, then H+U=V and the (dimension of the intersec Rewrite this expression with a fraction as the coefficient. -5x over 11.