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ICSE Class 10 Answered

how to know the nature of roots  
Asked by joshuarexroy | 22 May, 2023, 08:24: AM
answered-by-expert Expert Answer
Nature of the roots of a quadratic equation:
i. If b2 – 4ac > 0, the quadratic equation has two distinct real roots.
ii. If b2 – 4ac = 0, the quadratic equation has two equal real roots.
iii. If b2 – 4ac < 0, the quadratic equation has no real roots.
Answered by Rashmi Khot | 22 May, 2023, 10:31: AM

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ICSE 10 - Maths
4. Plot A(4,-2) and B(3, 6) in graph. (1) Reflect A and B in origin to get images A' and B' respectively. (ii) Name the figure formed by joining ABA'B'. (iii) State its lines of symmetry.
Asked by kshrugalrawat1 | 29 Sep, 2023, 02:21: AM
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ICSE 10 - Maths
Ramesh had bought 90 shares of the company at Rs.150 per share. Calculate the dividend he receives and the percentage of return on his investment.  
Asked by Sam | 23 Sep, 2023, 09:07: PM
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ICSE 10 - Maths
plz  
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Asked by umarakhtar659 | 22 Sep, 2023, 09:03: PM
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ICSE 10 - Maths
the sum n terms of the series root2+root8+ root 18+root 32
Asked by srilakshmivytla28 | 10 Sep, 2023, 09:19: AM
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ICSE 10 - Maths
sin A- sin B/cosA + cos B + cos A- cos B/ sin A+ sin B =0 prove it
Asked by praggya.srivastava.g1972 | 30 Aug, 2023, 12:50: PM
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ICSE 10 - Maths
ac is sold for 31200 rs gsr 28% find gst and taxable value
Asked by rohini_gk | 20 Jul, 2023, 11:28: AM
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ICSE 10 - Maths
Prove that cot²A - cos²A = cos⁴A . cosec²A
Asked by ritu_parija | 24 Jun, 2023, 07:07: PM
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ICSE 10 - Maths
how is b=0 , in the eqaution : 9a - 3b - 9 = 0 ; where a = 1 .   
Asked by manya.khandelwal94 | 31 May, 2023, 12:05: PM
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ICSE 10 - Maths
(x+1)(2x+8)=(x-7)(x+3)
Asked by ajaykumarnaryal75 | 28 May, 2023, 01:52: PM
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ICSE 10 - Maths
Q 15 from ICSE 10 Selina book Exercise 1(B) A shopkeeper in Punjab buys an article at a printed price of rs 20000 from a wholesaler in Delhi. The shopkeeper sells the article to a customer in Punjab at a profit of 25% on the cost price.
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Asked by sagarmishra | 25 May, 2023, 09:11: AM
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