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ATQ,
Use identity: a² - b² = (a + b)(a - b)
(31.4 + 18.2) = 49.6 ≈ 50
(31.4 - 18.2) = 13.2 ≈ 13
⇒ 50 × 13 = 650
(A)The Saudi leadership of the summit highlighted
(i)how
(D) additionally carbon capture, utilisation and storage infrastructure.
Match Column I and Column II and choose the correct match from the given choice
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