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SPEED NOTES | CBSE | CLASS 10 | SCIENCE

Updated: Sep 14, 2022

CHEMICAL REACTIONS AND EQUATIONS

ACIDS, BASES AND SALTS

METALS AND NON-METALS

CARBON AND ITS COMPOUNDS

PERIODIC CLASSIFICATION OF ELEMENTS

LIFE PROCESSES

CONTROL AND COORDINATION

HOW DO ORGANISMS REPRODUCE?

HERIDITY AND EVOLUTION

SOURCES OF ENERGY

OUR ENVIRONMENT

SUSTAINABLE MANAGEMENT OF NATURAL RESOURCES

When $a \ne 0$, there are two solutions to $ax^2 + bx + c = 0$ and they are $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$ <math...

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