Solution
Given : $$(a - b) = -6$$ and $$a^2 + b^2 = 44$$
Using $$(a - b)^2 = a^2 + b^2 - 2ab$$
=> $$(-6)^2 = 44 - (2 \times ab)$$
=> $$2 ab = 44 - 36 = 8$$
=> $$ab = \frac{8}{2} = 4$$
=> Ans - (C)
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