Latest questions in this category.
Simply put, complete solution: write formula, plug data, do arithmetic. Final value matches d²y/dx² + (dy/dx)³ d²x/dy² = 0. Simple and accurate.
Ref: NCERT Mathematics Class XI and XII
We can see that using formula we get dy/dx = [(xy – 2) ± √(1 – xy)]/ x². Calculation gives this directly, check steps: apply rule, substitute values, simplify to get dy/dx = [(xy – 2) ± √(1 – xy)]/
Ref: NCERT Mathematics Class XII — Differential Equations
Notice that we verify 32 by full calculation: use standard identity, substitute, simplify step by step to reach 32.
Ref: NCERT Mathematics Class XII — Matrices and Determinants
We know that using formula we get (log y)² - (9/5)(log x)² = 0. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get (log y)² - (9/5)(log x)² = 0.
Ref: NCERT Mathematics Class XII — Differential Equations
The trick is solving fully: apply relevant formula, put numbers, compute. Result comes as satisfies constraints and non-negativity restrictions. Easy verification shows it satisfies condition.
Ref: NCERT Mathematics Class XII — Linear Programming
Applying the basic concept, solving fully: apply relevant formula, put numbers, compute. Result comes as only the corner points of the feasible region. Easy verification shows it satisfies condition.
Ref: NCERT Mathematics Class XII — Linear Programming
We can see that complete solution: write formula, plug data, do arithmetic. Final value matches Var (X) = E[(X - μ)]². Simple and accurate.
Ref: NCERT Mathematics Class XII — Probability
Understanding this is easy: using formula we get point of inflexion at = 0. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get point of inflexion at = 0.
Ref: NCERT Mathematics Class XI and XII
Recall the rule solving fully: apply relevant formula, put numbers, compute. Result comes as f is increasing in [1,∞). Easy verification shows it satisfies condition.
Ref: NCERT Mathematics Class XI and XII
From the definition, solving fully: apply relevant formula, put numbers, compute. Result comes as m = n. Easy verification shows it satisfies condition.
Ref: NCERT Mathematics Class XII — Matrices and Determinants
The logic is straightforward: we verify all x ∈ (R−I) by full calculation: use standard identity, substitute, simplify step by step to reach all x ∈ (R−I).
Ref: NCERT Mathematics Class XI and XII
The logic is straightforward: after simplifying, 2 is left. The method is simple: formula → substitution → calculation → answer.
Ref: NCERT Mathematics Class XII — Differential Equations
